|
|
|
Bobbo
|
 |
« Reply #1 on: June 16, 2011, 10:59:06 AM » |
|
Do you have anything in the tubes to dampen the normal pulsations from the vacuum at idle? Some use a combination of orifice and fiber filter material to smooth out and average the vacuum reading.
|
|
|
|
|
Logged
|
|
|
|
|
bigfeet
|
|
« Reply #2 on: June 16, 2011, 12:00:24 PM » |
|
no i dont. what do you recommend that i might have laying around my shop ??
Also have a Q. why does the left bank pulsate ? but 1-3-5 didnt ?? Might the problem be with the right bank not the left ?
|
|
|
|
« Last Edit: June 16, 2011, 12:03:11 PM by bigfeet »
|
Logged
|
|
|
|
rws
Member
Posts: 104
1997 Valkyrie Tourer
North Dakota
|
|
« Reply #3 on: June 16, 2011, 12:12:29 PM » |
|
no i dont. what do you recommend that i might have laying around my shop ??
Also have a Q. why does the left bank pulsate ? but 1-3-5 didnt ?? Might the problem be with the right bank not the left ?
Aren't those fish valves adjustable? Close the valve down to just about closed...it will take the bounce out. |
|
|
|
|
Logged
|
Original VRCC Member Number 697
1997 Honda Valkyrie Tourer - 2019 Honda CRF450L - 2021 Honda Rebel 1100 DCT
|
|
|
|
bigfeet
|
|
« Reply #4 on: June 16, 2011, 12:24:35 PM » |
|
tried that . it wont take it out . it does some what. but closes it off too much.
|
|
|
|
|
Logged
|
|
|
|
Patrick
Member
Posts: 15433
VRCC 4474
Largo Florida
|
|
« Reply #5 on: June 16, 2011, 12:26:11 PM » |
|
From what I can see, it looks as if you you're using one gauge[which is fine] and have 6 valves.. You should have only one valve open at any time, the others need to be closed.. To reduce pulsations just open the valve enough to allow needle movement with a very slight pulsation..
|
|
|
|
|
Logged
|
|
|
|
bscrive
Member
Posts: 2539
Out with the old...in with the wooohoooo!!!!
Ottawa, Ontario
|
|
« Reply #6 on: June 16, 2011, 12:30:23 PM » |
|
I just sent my bike into the dealer to get it done, cost me only $75. This looks like too much trouble and if you put anything in the lines to dampen the pulsations , you have to be careful not to suck it into the cylinders.
|
|
|
|
|
Logged
|
 If global warming is happening...why is it so cold up here? |
|
|
Patrick
Member
Posts: 15433
VRCC 4474
Largo Florida
|
|
« Reply #7 on: June 16, 2011, 12:34:42 PM » |
|
You were posting at the same time I was.. OK, closing won't do it,huh.. The gauge should pulsate on any cylinder with the valve open too far, or the valves aren't working very well.. Try attaching the gauge to one cylinder at a time and while the engine is running pinch off the vacuum line with some forceps until the needle just barely pulsates.. That'll kinda let you know how good the valves are .. By valves, I mean the ones you used to make up the sync rig[not the engine valves]..
|
|
|
|
|
Logged
|
|
|
|
|
designer
|
|
« Reply #8 on: June 16, 2011, 12:43:50 PM » |
|
use vise grips and adjust the pinch. when the pulses even out and you have a solid needle you have the proper pinch. If you use more then one gage you can do all of them at the same time, one gage per carb. I have small doctor forceps that are adjustable, looks like I'm operating on the fat lady.
|
|
|
|
|
Logged
|
2002 Valkyrie Std
K&N Filter, Audiovox Cruise, I/S bags and trunk, Cee Bailey shield +2, ECT mod, radiator pods, driving lights, rattlebars kick shifter ,I/S ICM
|
|
|
|
bigfeet
|
|
« Reply #9 on: June 16, 2011, 12:47:11 PM » |
|
the reason i initially started to diagnos my problem with the scooter. engine fully warmed up ! left exhaust temp to hot to hold your hand in front of it and the right is almost cold. has new plugs and bike has only 9k miles
|
|
|
|
« Last Edit: June 16, 2011, 12:48:43 PM by bigfeet »
|
Logged
|
|
|
|
|
bigfeet
|
|
« Reply #10 on: June 16, 2011, 02:00:23 PM » |
|
im still needing a somewhat answer to the Q. why does the left bank cylinders have a pulse persay? but when i did the right bank they were fine just a slight pulse in the gauge.within acceptable reason but the left bank is so violent that you cant even see the needle
|
|
|
|
|
Logged
|
|
|
|
fordmano
Member
Posts: 1457
San Jose, CA. 1999 I/S 232 miles when bought 11/05
San Jose, CA.
|
|
« Reply #11 on: June 16, 2011, 02:10:22 PM » |
|
Cold exhaust?
I smell some clogged slow jets in the mix.
I used 6 gauges and 6 brass fish tank air supply valves when I built my gauge setup during my Multi point upgrade/maintenance thread go check it out my setup was cheap cheap cheap and works perfectly.
Now was the bike riden to get it warmed up or just sitting idling for a few minutes until the exhaust was too hot to touch on the one side?
At 9,000 miles I would doubt that your valves inside the motor are a problem could happen but I doubt it. I checked mine at around 10,000 and dead perfect, only a total lack of care and no oil in the motor would be the only reasons that I would think the internal valves were out of spec. But I have been wrong in the past.
Does the bike feel smooth at different RPM's? Is it is the jets probably are not clogged to bad.
Just some food for thought, maybe also search here for clogged jets and there maybe some helpful information there also, I just went through the 3 are fine and 3 CARBS are jacked up syndrome. Search can be your friend.
|
|
|
|
|
Logged
|
  83GS550 93XR650L TARD! 97WR250 99ValkyrieI/S Tri-tone 01YZ125(x2) 05DRZ-125 |
|
|
fordmano
Member
Posts: 1457
San Jose, CA. 1999 I/S 232 miles when bought 11/05
San Jose, CA.
|
|
« Reply #12 on: June 16, 2011, 02:13:43 PM » |
|
BigFeet, did you try moving the vacuum lines to different cylinders so you have the valves controlling the other vacuum lines?
Do you understand that? Change what tube is reading what cylinder. Maybe the fish tank valves are not working correctly. Are those valves plastic? Might consider that fuel vapor oe heat has possible effected them.
|
|
|
|
|
Logged
|
83GS550 93XR650L TARD! 97WR250 99ValkyrieI/S Tri-tone 01YZ125(x2) 05DRZ-125
|
|
|
fudgie
Member
Posts: 10614
Better to be judged by 12, then carried by 6.
Huntington Indiana
|
|
« Reply #13 on: June 16, 2011, 02:24:02 PM » |
|
I put a little brass needle valve in my line and adjusted it till it didnt bounce. But I only use 1 vac line.
|
|
|
|
|
Logged
|
 Now you're in the world of the wolves... And we welcome all you sheep... VRCC-#7196 VRCCDS-#0175 DTR PGR |
|
|
|
bigfeet
|
|
« Reply #14 on: June 16, 2011, 02:25:35 PM » |
|
yes i did move and change up the vacuum lines to rule out a fish valve problem. and even went back and double checked that right bank.and i kept the plastik fish valves away from the heat. OH! also answer to the Q. yes i rode it for @ 8miles to get it warmed up.
|
|
|
|
« Last Edit: June 16, 2011, 02:27:45 PM by bigfeet »
|
Logged
|
|
|
|
fordmano
Member
Posts: 1457
San Jose, CA. 1999 I/S 232 miles when bought 11/05
San Jose, CA.
|
|
« Reply #15 on: June 16, 2011, 02:40:33 PM » |
|
Will the gauge needle flatten out if you raise the RPM to say 2,500rpm, 3,000rpm 3,500rpm? Or do they still bounce wildly on all cylinders?
|
|
|
|
|
Logged
|
83GS550 93XR650L TARD! 97WR250 99ValkyrieI/S Tri-tone 01YZ125(x2) 05DRZ-125
|
|
|
|
bigfeet
|
|
« Reply #16 on: June 16, 2011, 02:52:10 PM » |
|
the bounce somewhat starts to get a center line @ 3000 R's
|
|
|
|
|
Logged
|
|
|
|
valkyriemc
Member
Posts: 392
2000 blu/slvr Interstate, 2018 Ultra Limited
NE Florida
|
|
« Reply #17 on: June 16, 2011, 03:08:59 PM » |
|
Folks have been syncing valkyrie carbs for many years and some good designs have been used, try searching the "Old Tech Archive" for info.
|
|
|
|
|
Logged
|
Veteran USN '70-'76
|
|
|
fordmano
Member
Posts: 1457
San Jose, CA. 1999 I/S 232 miles when bought 11/05
San Jose, CA.
|
|
« Reply #18 on: June 16, 2011, 04:22:49 PM » |
|
the bounce somewhat starts to get a center line @ 3000 R's
Somebody chime in please if I am at all off base here,,, sounds like slow jets are clogged even though I am sure you don't want to hear that. This is still real fresh in my mind, I just went through this less than 2 weeks ago when I got mine fixed. Cold pipes no fuel burning... Odd idle or more so just off idle roughness... Normal power smoothness at higher RPM.... Is the exhaust coming out of the rear of the pipes on the effected side also blowing much cooler air than the side that shows flat gauge needles at idle? All those point to clogged or partially clogged slow jets, your gonna enjoy you next few days a lot(no not really, but you might learn some new swear words) sorry to be the bearer of bad news. Hopefully I am wrong, mistaken, off base, or just plain stupid. |
|
|
|
|
Logged
|
83GS550 93XR650L TARD! 97WR250 99ValkyrieI/S Tri-tone 01YZ125(x2) 05DRZ-125
|
|
|
Patrick
Member
Posts: 15433
VRCC 4474
Largo Florida
|
|
« Reply #19 on: June 16, 2011, 04:44:17 PM » |
|
If you have some cold pipes,, you have a problem.. Your problem is more than likely some plugged low/slow jets, as was just mentioned.. This is fairly common with bikes that have set for a while without any treated fuel.. The cylinders that are working are the hot ones with the pulsating needle..
|
|
|
|
|
Logged
|
|
|
|
fordmano
Member
Posts: 1457
San Jose, CA. 1999 I/S 232 miles when bought 11/05
San Jose, CA.
|
|
« Reply #20 on: June 16, 2011, 10:15:05 PM » |
|
I know it has only been a few hours since your last update but inquiring minds want to know how your progressing along with this.
Did you pull any spark plugs out and see if any are fuel fouled or running dead lean?
|
|
|
|
|
Logged
|
83GS550 93XR650L TARD! 97WR250 99ValkyrieI/S Tri-tone 01YZ125(x2) 05DRZ-125
|
|
|
|
bigfeet
|
|
« Reply #21 on: June 17, 2011, 07:15:03 AM » |
|
yes i have pulled plugs and they all look the same.i even went to the point to put new plugs in it anyway.(no change) after riding it for a while it's idle stabilizes.but right bank exhaust is noticably colder. i really do appriciate all you guys and all of the input i've recieved with my problem.i would take to dealer but i know im going to get hosed ! and im scared to !!!! being that the tech at that shop(dealer) thought that the valk was a kawasaki product !!!! that was all i needed to hear.taking it there isn't gunna happen. what a dumba$$. he dam shure AINT gunna learn on mine !!!! hell i can do that much !!!! i am a automotive tech anyway.
|
|
|
|
|
Logged
|
|
|
|
|
TomE
|
|
« Reply #22 on: June 17, 2011, 08:54:20 AM » |
|
Syncing carbs is the last step in a tune up. Quoting Randakk, of Randakk's Cycle Shack (He is a GL1000 Guru) Everything affects everything. Before you can ballance the carbs, everything else needs to be good. A wide vacuum fluctuation can be diagnosed. Here is a slick site with animations explaining what to look for: http://www.secondchancegarage.com/public/186.cfmGood luck! TomE |
|
|
|
|
Logged
|
|
|
|
|
BlueValk
|
|
« Reply #23 on: June 17, 2011, 09:20:55 AM » |
|
Also have a Q. why does the left bank pulsate ? but 1-3-5 didnt ?? Might the problem be with the right bank not the left ?
If the right side is not firing at idle (clogged slow jets), then it quite likely will not bounce as much as the left side does (which is firing). So to answer your question as far as which side is the problem, I am betting on the right side. The bouncy left side is probably normal. Good luck with the fix! |
|
|
|
|
Logged
|
|
|
|
|
Madmike
|
|
« Reply #24 on: June 17, 2011, 09:24:17 AM » |
|
Syncing carbs is the last step in a tune up. Quoting Randakk, of Randakk's Cycle Shack (He is a GL1000 Guru) Everything affects everything. Before you can ballance the carbs, everything else needs to be good. A wide vacuum fluctuation can be diagnosed. Here is a slick site with animations explaining what to look for: http://www.secondchancegarage.com/public/186.cfmGood luck! TomE good link - thanks |
|
|
|
|
Logged
|
|
|
|
|
